[Qemu-trivial] [PATCH] block: Don't forget to d elete temporary file

[riegamaths]

From: Dunrong Huang <address@hidden>

The caller would not delete temporary file after failed get_tmp_filename().

Signed-off-by: Dunrong Huang <address@hidden>
---
 block.c | 6 +++++-
 1 个文件被修改，插入 5 行(+)，删除 1 行(-)

diff --git a/block.c b/block.c
index 074987e..2bc9f75 100644
--- a/block.c
+++ b/block.c
@@ -433,7 +433,11 @@ int get_tmp_filename(char *filename, int size)
         return -EOVERFLOW;
     }
     fd = mkstemp(filename);
-    if (fd < 0 || close(fd)) {
+    if (fd < 0) {
+        return -errno;
+    }
+    if (close(fd) != 0) {
+        unlink(filename);
         return -errno;
     }
     return 0;
-- 
1.7.12